A screen grab taken from news footage by Japanese public broadcaster NHK shows white smoke rising from the Fukushima No. 1 nuclear power station number three reactor after what reports described as a hydrogen explosion. -- PHOTO: AFP TOKYO - THE Japanese government says 11 people were injured, one seriously, in an explosion at a quake-stricken nuclear power plant. Chief Cabinet Secretary Yukio Edano says four army personnel and seven nuclear power plant workers were hurt when Unit 3 at the Fukushima Dai-ichi Nuclear plant exploded on Monday. Later in the day, another reactor in the plant lost its cooling capacity, raising the risks of another blast. Mr Edano said that one of the workers was seriously injured but still conscious and the four military staff were only slightly hurt and had already returned to their unit. A hydrogen explosion had hit the number 1 reactor at th...